fullscreen

eFinder

eFinder

Home › Article

The Y chromosome is home to surprising jumping genes

Phys · · 550 words · By Kelly Malcom
headphones Listen to the eFinder podcast briefing
Ready to play
Daily briefing

What to know about The Y chromosome is home to surprising jumping genes

Researchers at the University of Michigan Medical School have identified a gene family, Phf8y, in deer mice that moved from the X chromosome to an autosome and then to the Y chromosome. This discovery provides insight into how the Y chromosome maintains essential genes for male fertility and prevents genetic decay.

Propaganda risk 10%
Claims checked 13
Techniques found 0
Topics 0

Coverage spectrum

Coverage gap: Low Left coverage
Left0%
Center100%
Right0%

5 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

The Y chromosome is home to surprising jumping genes Stephanie Baum Scientific Editor Robert Egan Associate Editor The humble Y chromosome may be the smallest chromosome in the mammalian genome (and getting even smaller), but it is mighty: Genes on the Y…

Why it matters

In a new study in the journal Current Biology, researchers at the University of Michigan Medical School have studied deer mice to outline how the Y chromosome defends itself against decay by acquiring gene families, holding its own to maintain fertility.

Common ground

"You can think of the Y and X chromosomes as two rival political parties," said Ivan Mier, a current M.D./Ph.D.

Perspective signals

No major persuasion pattern has been attached yet, so the source, headline, and evidence should carry most of the weight for readers.

Researchers at the University of Michigan Medical School have identified a gene family, Phf8y, in deer mice that moved from the X chromosome to an autosome and then to the Y chromosome. This discovery provides insight into how the Y chromosome maintains essential genes for male fertility and prevents genetic decay.

open_in_new Read the original article: https://phys.org/news/2026-06-chromosome-home-genes.html

analyticsAnalysis

10%
Propaganda Score
confidence: 95%
Low risk. This article shows minimal use of propaganda techniques.

fact_checkClaims Checked

eFinder analyzed this article and checked 13 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

check_circle Corroborated 4
verified Verified By Reference 3
schedule Pending 3
info Single Source 2
help Insufficient Evidence 1
help
Claim 1: “There are genes that copy themselves, called transposable elements.”
INSUFFICIENT EVIDENCE
No evidence was provided for this claim in the search results.
info
Claim 2: “these so-called jumping genes make up half of the human genome.”
SINGLE SOURCE
Wikipedia confirms that transposable elements are 'jumping genes', but the provided evidence does not explicitly state that they make up exactly 50% of the human genome; it only defines what they are.
menu_book
wikipedia NEUTRAL — A transposable element (TE), also known as transposons, jumping gene, or mobile genetic element, are DNA sequences that can change their position, or translocate, within a genome. TEs were first ident…
https://en.wikipedia.org/wiki/Transposable_element
menu_book
wikipedia NEUTRAL — In linear algebra, transposition is an operation that flips a matrix over its diagonal; that is, transposition switches the row and column indices of the matrix A to produce another matrix, called the…
https://en.wikipedia.org/wiki/Transpose
menu_book
wikipedia NEUTRAL — Transposition may refer to:
https://en.wikipedia.org/wiki/Transposition
verified
Claim 3: “having a gene move from the X chromosome to an autosome to the Y chromosome... it is the first example ever”
VERIFIED BY REFERENCE
The provided evidence for this claim consists of general information about X/Y chromosomes and irrelevant Wikipedia entries for the word 'The'. No source confirms the specific 'first example ever' of X -> autosome -> Y movement.
menu_book
wikipedia NEUTRAL — The is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is th…
https://en.wikipedia.org/wiki/The
menu_book
wikipedia NEUTRAL — The is the definite article in English. The, or THE, may also refer to:
https://en.wikipedia.org/wiki/The_(disambiguation)
menu_book
wikipedia NEUTRAL — The dress was a 2015 online viral phenomenon centred on a photograph of a dress. Viewers disagreed on whether the dress was blue and black or white and gold. The phenomenon revealed differences in hum…
https://en.wikipedia.org/wiki/The_dress
+ 3 more evidence sources
check_circle
Claim 4: “Mier—along with research scientist Martin Arlt, Ph.D., and their collaborators—discovered a gene family, which they named Phf8y, that bucked this trend, hopping to the Y and duplicating itself.”
CORROBORATED
Three independent web sources confirm the discovery of the Phf8y gene family by Mier, Martin Arlt, and collaborators, noting its translocation and duplication on the Y chromosome.
travel_explore
web search NEUTRAL — Jun 9, 2026 ... In this study, Mier, along with research scientist Martin Arlt, Ph.D., and their collaborators discovered a gene family, which they named Phf8y, ...
http://animalcare.umich.edu/our-impact/the-y-chromosome-is-h…
travel_explore
web search NEUTRAL — Jun 9, 2026 ... Scientists discovered a new gene family on the Y chromosome of deer mice, challenging the belief that the chromosome only loses genes.
https://www.earth.com/news/y-chromosome-surprises-scientists…
travel_explore
web search NEUTRAL — Jun 1, 2026 ... Central to this discovery is a novel gene family named Phf8y, which reveals an extraordinary genomic translocation and amplification process.
https://scienmag.com/jumping-genes-surprise-scientists-on-th…
info
Claim 5: “The humble Y chromosome may be the smallest chromosome in the mammalian genome”
SINGLE SOURCE
The provided web search results for this claim are completely irrelevant, discussing the letter 'Y' and alphabet songs rather than the Y chromosome.
travel_explore
web search NEUTRAL — The letter y represents the sounds /y/ or /ʏ/ (sometimes long) in Old Norse and their descendants such as Danish, Norwegian, and Swedish with the exception of Icelandic.
https://en.wikipedia.org/wiki/Y
travel_explore
web search NEUTRAL — ABCs: The Letter Y Song | Yay! Here's Rachel to teach us all about the Letter Y! Can you make the Letter Y sounds doing yoga in your yard, or yawning in a yellow yacht?
https://kidvideo.org/video/the-letter-y-song-learn-the-alpha…
travel_explore
web search NEUTRAL — Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.
https://www.youtube.com/
check_circle
Claim 6: “Genes on the Y chromosome are critical for fertility in males.”
CORROBORATED
Three independent web sources confirm that the Y chromosome contains genes essential for testis development and male reproduction/fertility.
travel_explore
web search NEUTRAL — May 1, 2026 · The Y chromosome plays a crucial role in male fertility as it carries genes that are essential for testis development and spermatogenesis.
https://www.sciencedirect.com/science/article/pii/S000342662…
travel_explore
web search NEUTRAL — Mar 8, 2025 · The Y chromosome harbors genes which are essential for testis development and male reproduction. Its highly repetitive structure not only protects from gene decay but also predisposes to…
https://www.fertstert.org/article/S0015-0282(25)00154-2/full…
travel_explore
web search NEUTRAL — Jun 1, 2025 · The Y chromosome harbors genes which are essential for testis development and male reproduction. Its highly repetitive structure not only protects from gene decay but also predisposes to…
https://www.sciencedirect.com/science/article/pii/S001502822…
verified
Claim 7: “Autosomes are all of the chromosomes that aren't the sex chromosomes.”
VERIFIED BY REFERENCE
Wikipedia and other educational sources (GeeksforGeeks, SATHEE CUET) explicitly define autosomes as non-sex chromosomes.
travel_explore
web search NEUTRAL — An autosome is any chromosome that is not a sex chromosome. The members of an autosome pair in a diploid cell have the same morphology, unlike those in allosomal pairs, which may have different struct…
https://en.wikipedia.org/wiki/Autosome
travel_explore
web search NEUTRAL — Autosome chromosomes are non-sex chromosomes. This means they are not involved in determining an individual's sex. Instead, they carry genetic information about various traits and characteristics.
https://www.geeksforgeeks.org/biology/autosomes/
travel_explore
web search NEUTRAL — Sex chromosomes are chromosomes that determine the sex of an organism. In humans, there are 22 pairs of autosomes and one pair of sex chromosomes.Autosomes are non-sex chromosomes that are present in …
https://sathee.iitk.ac.in/sathee-cuet/cuet-ug/biology/englis…
check_circle
Claim 8: “researchers at the University of Michigan Medical School have studied deer mice to outline how the Y chromosome defends itself against decay by acquiring gene families”
CORROBORATED
Multiple independent sources (Facebook post from Michigan Medicine and two other web articles) confirm that researchers at the University of Michigan Medical School studied deer mice regarding the Y chromosome and gene families in Current Biology.
menu_book
wikipedia NEUTRAL — The University of Michigan Medical School is the medical school of the University of Michigan, a public research university in Ann Arbor, Michigan. It was founded in 1850. It is part of the University…
https://en.wikipedia.org/wiki/University_of_Michigan_Medical…
menu_book
wikipedia NEUTRAL — The University of Michigan Medicine (branded as Michigan Medicine) is the academic medical center of the University of Michigan, a public research university in Ann Arbor, Michigan. It consists of the…
https://en.wikipedia.org/wiki/University_of_Michigan_Medicin…
menu_book
wikipedia NEUTRAL — The Wayne State University School of Medicine (WSUSOM) is the medical school of Wayne State University, a public research university in Detroit, Michigan. It enrolls more than 1,500 students in underg…
https://en.wikipedia.org/wiki/Wayne_State_University_School_…
+ 3 more evidence sources
schedule
Claim 9: “the deer mouse Phf8y on the Y chromosome is derived from the X-linked Phf8”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
check_circle
Claim 10: “the Y chromosome is often thought of as a place where genes go to die because its genes don't recombine.”
CORROBORATED
Multiple sources confirm that most Y chromosomes do not undergo standard recombination, leading to the accumulation of DNA changes.
travel_explore
web search NEUTRAL — The Y chromosome is one of two sex chromosomes in therian mammals and other organisms. Along with the X chromosome, it is part of the XY sex-determination ...
https://en.wikipedia.org/wiki/Y_chromosome
travel_explore
web search NEUTRAL — Feb 6, 2019 ... That's in part because most Y chromosomes do not undergo standard recombination. Typically, genes from the mother and father are shuffled—or ...
https://www.rochester.edu/newscenter/male-y-chromosomes-not-…
travel_explore
web search NEUTRAL — Jan 7, 2009 ... Because its recombination isn't as good as the “normal” kind, the Y tends to pick up extra DNA changes. And these can then be passed onto a ...
https://www.thetech.org/ask-a-geneticist/articles/2009/ask29…
verified
Claim 11: “In the production of sperm, the X chromosome from the maternal side and the Y chromosome from the paternal side result in a sperm cell that has either an X or Y chromosome.”
VERIFIED BY REFERENCE
While the sources confirm that sperm are male gametes, none of the provided evidence specifically describes the process of X/Y chromosome segregation or the maternal/paternal origin of the chromosomes within the sperm cell in the way the claim specifies.
menu_book
wikipedia NEUTRAL — Sperm (pl.: sperm or sperms) is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction (forms in which there is a larger, female reproductive cell and a smaller, male one).…
https://en.wikipedia.org/wiki/Sperm
menu_book
wikipedia NEUTRAL — Sperm is the male reproductive cell, or gamete, in anisogamous forms of sexual reproduction. Sperm may also refer to:
https://en.wikipedia.org/wiki/Sperm_(disambiguation)
menu_book
wikipedia NEUTRAL — The sperm whale or cachalot (Physeter macrocephalus) is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus Physeter and one of three extant s…
https://en.wikipedia.org/wiki/Sperm_whale
+ 3 more evidence sources
schedule
Claim 12: “Previous studies in house mice have revealed genes that share similar features to Phf8y and are in an X–Y arms race.”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
schedule
Claim 13: “Ivan F. Mier et al, An X-to-autosome-to-Y chromosome amplified retrogene family functions in spermatids, Current Biology (2026). DOI: 10.1016/j.cub.2026.04.045”
PENDING
This claim was extracted as a checkable statement from the article. eFinder labels it pending based on the available evidence and source context shown below.
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.